Home / 28,550.92-42,766.62-18,110.92

Finding the Fourth Proportional to 28,550.92, 42,766.62 and 18,110.92

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Solution

The fourth proportional to 28,550.92, 42,766.62 and 18,110.92 is: 27,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.92 : 42,766.62 = 18,110.92 : x
  2. Step 2: Convert to fraction form
    28,550.92/42,766.62 = 18,110.92/x
  3. Step 3: Cross multiply
    28,550.92x = 42,766.62 × 18,110.92
  4. Step 4: Simplify right side
    28,550.92x = 774,542,833.49
  5. Step 5: Solve for x
    x = 774,542,833.49/28,550.92
  6. Step 6: Final answer
    x = 27,128.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.